hello, iv disconnected Battery of my avensis 2008 and now the head unit with flip screen not working, the screen tilted down and wont work at all, only an error message appears on the screen saying (a program cannot be read, please contact dealer) along with chineese writing. there was no dvd disc in it before but it was working fine except navigation didnt work which i didnt need. now it does not work at all and wont even close flip screen, 2 pics attached show how the stereo looked before i di